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Woodward 8200-508
Product Name: Woodward 8200-508 Digital Valve Positioner (DVP)
Product Introduction: An enhanced digital valve positioner, successor to 8200-505, with improved communication and diagnostics. It is designed for high‑precision control of critical control valves in turbine and process systems.
Technical Specifications:
- Power Supply: 24 VDC, 240 Watts maximum
Detailed content
- Input: 4–20 mA control signal; optional Ethernet communication
- Output: Pneumatic/hydraulic drive for linear/rotary actuators
- Protection: IP56 rated; ATEX/IECEx compliant for hazardous locations
- Operating Temp: −40°C to +85°C; Humidity: 5%–95% non‑condensing
Functional Features:
- Enhanced position control accuracy and stability compared to 8200-505
- Optional Ethernet for remote monitoring and configuration (Modbus TCP)
- Advanced valve diagnostics: stiction, hysteresis, and wear monitoring
- ATEX/IECEx certification for use in hazardous areas
- Easy field calibration and configuration via local keypad or software
Application Scenarios:
- Critical turbine control valves (governing, extraction, stop valves)
- Hazardous location process control valves in oil/gas, petrochemical
- High‑precision flow control in power generation and cogeneration plants
- Retrofit of legacy analog valve positioners in industrial systems
